相干波粒量子行走

IF 2.2 3区物理与天体物理 Q1 PHYSICS, MATHEMATICAL

Quantum Information Processing Pub Date : 2025-05-26 DOI:10.1007/s11128-025-04777-8

Rong Zhang, Rusheng Qi, Tianhao Chen, Ping Xu

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引用次数: 0

摘要

量子行走（Quantum walks, QWs）可以作为研究量子行为与经典行为之间过渡的一个舞台。我们报道了量子控制使量子波处于波态和粒子态的相干叠加状态，两者之间存在相对相位，称为相干波粒量子波（W-P）。因此，量子行为和经典行为之间的连续跃迁可以以相干和混合的方式实现，并通过位置分布和方差来证明。进一步实现了相干W-P量子波，并用IBM量子计算机验证了概念上的发现。

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Coherent wave-particle quantum walks

Quantum walks (QWs) can be used as an arena to study the transition between the quantum and classical behaviors in general. We report that the quantum control makes QWs be in a coherent superposition of wave state and particle state with a relative phase between them, which is named as coherent wave-particle (W-P) QWs. Therefore, the continuous transition between the quantum and classical behaviors in both coherent and mixed ways can be achieved, and it is demonstrated by using the position distribution and variance. Further the coherent W-P QWs are implemented and the conceptual findings are confirmed with the IBM quantum computer.

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来源期刊

Quantum Information Processing 物理-物理：数学物理

CiteScore

4.10

自引率

20.00%

发文量

337

审稿时长

4.5 months

期刊介绍： Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.